Caster



FIG. 1 is a perspective view of a caster showing our new design, withthe broken line showing of a fragmented furniture leg being forillustrative purposes only and forms no part of the claimed design.

FIG. 2 is a perspective view, taken from a generally rearward portionthereof;

FIG. 3 is a right-hand side elevational view, wherein the left-hand sideelevational view is identical;

FIG. 4 is a rear elevational view;

FIG. 5 is a front elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view thereof.

The ornamental design for a caster, as shown and described.